forked from Ivasoft/opds-proxy
refactor
This commit is contained in:
Evan Buss
109
html/feed.go
Normal file
109
html/feed.go
Normal file
@@ -0,0 +1,109 @@
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package html
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import (
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"fmt"
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"log"
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"net/url"
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"strings"
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"github.com/evan-buss/kobo-opds-proxy/opds"
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)
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type FeedViewModel struct {
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Title string
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Search string
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Navigation []NavigationViewModel
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Links []LinkViewModel
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}
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type NavigationViewModel struct {
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Href string
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Label string
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}
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type LinkViewModel struct {
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Title string
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Author string
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ImageURL string
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Content string
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Href string
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IsDownload bool
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}
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func convertFeed(p *FeedParams) FeedViewModel {
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vm := FeedViewModel{
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Title: p.Feed.Title,
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Search: "",
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Links: make([]LinkViewModel, 0),
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Navigation: make([]NavigationViewModel, 0),
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}
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for _, link := range p.Feed.Links {
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if link.Rel == "search" {
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vm.Search = resolveHref(p.URL, link.Href)
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}
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if link.TypeLink == "application/atom+xml;type=feed;profile=opds-catalog" {
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vm.Navigation = append(vm.Navigation, NavigationViewModel{
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Href: resolveHref(p.URL, link.Href),
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Label: strings.ToUpper(link.Rel[:1]) + link.Rel[1:],
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})
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}
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}
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for _, entry := range p.Feed.Entries {
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vm.Links = append(vm.Links, constructLink(p.URL, entry))
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}
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return vm
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}
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func constructLink(url string, entry opds.Entry) LinkViewModel {
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vm := LinkViewModel{
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Title: entry.Title,
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Content: entry.Content.Content,
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}
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authors := make([]string, 0)
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for _, author := range entry.Author {
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authors = append(authors, author.Name)
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}
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vm.Author = strings.Join(authors, " & ")
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for _, link := range entry.Links {
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vm.IsDownload = link.IsDownload()
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if link.IsNavigation() || link.IsDownload() {
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vm.Href = resolveHref(url, link.Href)
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}
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// Prefer the first "thumbnail" image we find
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if vm.ImageURL == "" && link.IsImage("thumbnail") {
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vm.ImageURL = resolveHref(url, link.Href)
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}
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}
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// If we didn't find a thumbnail, use the first image we find
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if vm.ImageURL == "" {
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for _, link := range entry.Links {
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if link.IsImage("") {
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vm.ImageURL = resolveHref(url, link.Href)
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break
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}
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}
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}
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return vm
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}
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func resolveHref(feedUrl string, relativePath string) string {
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baseUrl, err := url.Parse(feedUrl)
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if err != nil {
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log.Fatal(err)
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}
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relativeUrl, err := url.Parse(relativePath)
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if err != nil {
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log.Fatal(err)
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}
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resolved := baseUrl.ResolveReference(relativeUrl).String()
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fmt.Println("Resolved URL: ", resolved)
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return resolved
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}
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@@ -3,7 +3,11 @@
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<nav class="navigation">
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{{if .Search }}
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<div class="search">
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<a href="{{.Search}}" tabindex="-1">
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<a
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href="{{.Search}}"
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tabindex="-1"
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hx-get="?q={{.Search}}&partial=search.html"
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>
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<svg
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width="30"
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height="30"
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@@ -50,4 +54,5 @@
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</li>
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{{end}}
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</ul>
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{{end}}
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119
html/html.go
119
html/html.go
@@ -2,12 +2,8 @@ package html
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import (
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"embed"
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"fmt"
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"html/template"
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"io"
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"log"
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"net/url"
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"strings"
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"github.com/evan-buss/kobo-opds-proxy/opds"
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)
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@@ -17,11 +13,12 @@ var files embed.FS
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var (
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home = parse("home.html")
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feed = parse("feed.html")
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feed = parse("feed.html", "partials/search.html")
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)
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func parse(file string) *template.Template {
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return template.Must(template.New("layout.html").ParseFS(files, "layout.html", file))
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func parse(file ...string) *template.Template {
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file = append(file, "layout.html")
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return template.Must(template.New("layout.html").ParseFS(files, file...))
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}
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type FeedParams struct {
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@@ -29,111 +26,12 @@ type FeedParams struct {
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Feed *opds.Feed
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}
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type FeedViewModel struct {
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Title string
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Search string
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Navigation []NavigationViewModel
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Links []LinkViewModel
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}
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type NavigationViewModel struct {
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Href string
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Label string
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}
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type LinkViewModel struct {
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Title string
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Author string
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ImageURL string
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Content string
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Href string
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IsDownload bool
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}
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func convertFeed(url string, feed *opds.Feed) FeedViewModel {
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vm := FeedViewModel{
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Title: feed.Title,
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Search: "",
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Links: make([]LinkViewModel, 0),
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Navigation: make([]NavigationViewModel, 0),
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}
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for _, link := range feed.Links {
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if link.Rel == "search" {
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vm.Search = resolveHref(url, link.Href)
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}
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if link.TypeLink == "application/atom+xml;type=feed;profile=opds-catalog" {
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vm.Navigation = append(vm.Navigation, NavigationViewModel{
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Href: resolveHref(url, link.Href),
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Label: strings.ToUpper(link.Rel[:1]) + link.Rel[1:],
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})
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}
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}
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for _, entry := range feed.Entries {
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vm.Links = append(vm.Links, constructLink(url, entry))
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}
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return vm
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}
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func constructLink(url string, entry opds.Entry) LinkViewModel {
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vm := LinkViewModel{
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Title: entry.Title,
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Content: entry.Content.Content,
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}
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authors := make([]string, 0)
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for _, author := range entry.Author {
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authors = append(authors, author.Name)
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}
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vm.Author = strings.Join(authors, " & ")
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for _, link := range entry.Links {
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vm.IsDownload = link.IsDownload()
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if link.IsNavigation() || link.IsDownload() {
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vm.Href = resolveHref(url, link.Href)
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}
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// Prefer the first "thumbnail" image we find
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if vm.ImageURL == "" && link.IsImage("thumbnail") {
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vm.ImageURL = resolveHref(url, link.Href)
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}
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}
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// If we didn't find a thumbnail, use the first image we find
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if vm.ImageURL == "" {
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for _, link := range entry.Links {
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if link.IsImage("") {
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vm.ImageURL = resolveHref(url, link.Href)
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break
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}
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}
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}
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return vm
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}
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func resolveHref(feedUrl string, relativePath string) string {
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baseUrl, err := url.Parse(feedUrl)
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if err != nil {
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log.Fatal(err)
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}
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relativeUrl, err := url.Parse(relativePath)
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if err != nil {
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log.Fatal(err)
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}
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resolved := baseUrl.ResolveReference(relativeUrl).String()
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fmt.Println("Resolved URL: ", resolved)
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return resolved
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}
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func Feed(w io.Writer, p FeedParams, partial string) error {
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if partial == "" {
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partial = "layout.html"
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}
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vm := convertFeed(p.URL, p.Feed)
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vm := convertFeed(&p)
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return feed.ExecuteTemplate(w, partial, vm)
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}
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@@ -143,8 +41,11 @@ type FeedInfo struct {
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URL string
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}
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func Home(w io.Writer, p []FeedInfo) error {
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return home.ExecuteTemplate(w, "layout.html", p)
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func Home(w io.Writer, vm []FeedInfo, partial string) error {
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if partial == "" {
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partial = "layout.html"
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}
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return home.ExecuteTemplate(w, partial, vm)
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}
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func StaticFiles() embed.FS {
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@@ -1,13 +1,16 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<head>
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<meta charset="UTF-8" />
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<title>{{block "title" .}}Kobo OPDS Proxy{{end}}</title>
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<link rel="stylesheet" href="/static/style.css">
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</head>
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<body>
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<main id="container">
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{{block "content" .}}{{end}}
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</main>
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</body>
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</html>
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<link rel="stylesheet" href="/static/style.css" />
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<script
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src="https://unpkg.com/htmx.org@2.0.0"
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integrity="sha384-wS5l5IKJBvK6sPTKa2WZ1js3d947pvWXbPJ1OmWfEuxLgeHcEbjUUA5i9V5ZkpCw"
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crossorigin="anonymous"
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></script>
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</head>
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<body>
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<main id="container">{{block "content" .}}{{end}}</main>
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</body>
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</html>
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16
html/partials/search.html
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16
html/partials/search.html
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@@ -0,0 +1,16 @@
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{{define "search-partial"}}
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<form method="get">
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<input type="hidden" name="q" value="{{.Search}}" />
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<input type="search" placeholder="Search" name="search" />
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<script>
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const searchInput = document.querySelector("input[name=search]");
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const searchParams = new URLSearchParams(window.location.search);
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if (searchParams.has("search") && !!searchInput) {
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searchInput.value = searchParams.get("search");
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}
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</script>
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</form>
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{{end}}
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